<template>
    <div class="mui-numbox" data-numbox-min='1' style="height:25px;">
        <button class="mui-btn mui-btn-numbox-minus" type="button">-</button>
        <input id="test" class="mui-input-numbox" type="number" :value="initcount" 
            @change="countChanged" ref="numbox" readonly />
        <button class="mui-btn mui-btn-numbox-plus" type="button">+</button>
    </div>
</template>

<script>
import mui from '../../lib/mui/js/mui.min.js'

export default {
    mounted () {
        // 初始化数字选择框组件
        mui(".mui-numbox").numbox()
    },
    methods: {
        countChanged(){ //数量改变了
            console.log(this.$refs.numbox.value);
            // 每当数量值改变，则立即把最新的数量同步到 购物车的 store 中，覆盖之前的数量值
            this.$store.commit("updatedGoodsInfo",{
                id: this.goodsid,
                count: this.$refs.numbox.value
            })
        }
    },
    props:["initcount","goodsid"]
}
</script>

<style lang="scss" scoped>

</style>